Digitrax SDN144PS 4 Function Plug-in Sound Decoder

Digitrax's new all in one sound decoders are designed to add the next level of realism to your N Scale locomotives. Decoders include customizable 8 Bit sound with preloaded selectable steam and diesel sounds that you can alter by downloading additional files from Digitrax. Installation is straightforward following the manufacturer's instructions.
 
This decoder has 4 FX3 200ma functions
 
Decoder includes 13mm 8ohm speaker and 330uF capacitor.